3 Freelance Advertising jobs in St. Louis, Missouri

Updated daily. Most recent posting: September 14, 2026.

Social Media Manager - St. Louis

The Boutique COO is seeking a versatile Social Media Manager to develop and execute content strategies for multiple clients. The role requires strong graphic design skills, project management capabilities, and the ability to create engaging content across various digital platforms....

St. Louis, Missouri The Boutique COO
Copywriter - Freelance

This freelance copywriter role requires a fluent Portuguese speaker to craft compelling brand narratives and creative content. The position involves collaborating with strategy and creative teams to develop emotionally resonant marketing ideas....

St. Louis, Missouri 160over90
Marketing Content Creator B2B

Own the content calendar across our LinkedIn / X channels, moving eventually to own our website’s blog, email, and newsletters. Research playbooks, use cases and best practices to augment content quality. Demonstrated experience asking sharp, thoughtful questions that surfaced unique stories, leadin...

St. Louis, Missouri Itlearn360
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